diff --git a/src/one-body-sample.parset b/src/one-body-sample.parset
index 9e2a31d9ecaa391d5166eee5bd34e4c924516d09..fd2acefc3b24d1969a31b8c8dc50c99dc653deb4 100644
--- a/src/one-body-sample.parset
+++ b/src/one-body-sample.parset
@@ -43,7 +43,7 @@ nu2 = 1
 # A vvv- or vvvv-cycle appears to be even faster.
 # And leaving off the postsmoothing is even better yet
 nu1 = 1
-mu = 4
+mu = 4 # Note: the more steps we make here, the fewer FPI we need
 nu2 = 1
 
 [localsolver]